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Finding the Fourth Proportional to 243,232.67, 335,658.03 and 135,803.59

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Solution

The fourth proportional to 243,232.67, 335,658.03 and 135,803.59 is: 187,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,232.67 : 335,658.03 = 135,803.59 : x
  2. Step 2: Convert to fraction form
    243,232.67/335,658.03 = 135,803.59/x
  3. Step 3: Cross multiply
    243,232.67x = 335,658.03 × 135,803.59
  4. Step 4: Simplify right side
    243,232.67x = 45,583,564,137.92
  5. Step 5: Solve for x
    x = 45,583,564,137.92/243,232.67
  6. Step 6: Final answer
    x = 187,407.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.